/Engine/Source/Runtime/GeometryCore/Public/Deformers/Kelvinlets.h
Note: this one doesn't care about a, b since we have scaled the divergence.
class FScaleKelvinlet : public [UE::Geometry::TBaseKelvinlet< FScaleKelvinlet >](API\Runtime\GeometryCore\Deformers\TBaseKelvinlet)
double
S
Scale.